Résultats de "Amy Tao" dans Toutes les catégories

Have you ever wondered why it gets dark at night? Listen to learn about how the Earth’s spinning changes day into night and why some days are longer than others.

Have you ever wondered how plants grow? How does the plant stem know to grow up while the roots grow down? This book will teach children how gravity affects plants with a fun experiment to grow their own beans!

Dana is going to the dog park! Meet all of the dogs that are at the park and what makes them special. Do you know the different breeds that are at the park? Help Dana find them!

Do you know how to tell if a creepy-crawly is an insect? Is a spider an insect? What about a millipede? Listen to learn how and put your skills to the test!

Have you ever wondered why wheels are round and not triangles or squares? Try this activity to learn why wheels are the shape that they are.

When it’s your birthday, you add one Earth year to your age. Have you ever wondered how old you would be in Saturn years? What about Mars? Read on to learn about the planets of our solar system and how long it takes for them to complete one whole orbit.

Have you ever flown on a plane and heard the pilot speaking in some kind of code? Now you can understand what he is saying! The alphabet is different for airplane pilots. Instead of ABC, pilots say Alpha, Bravo, Charlie. Learn this new way of communicating with Click and Jane as they use the phonetic alphabet and pretend to be airplane pilots!

Have you ever ridden a roller coaster? They’re a lot of fun, but a lot of physics is involved in making those rides work. The momentum built up by energy and speed keep those trains on their tracks and riders in their seats, even when they’re upside-down!

When a person had an infection prior to the twentieth century, they could only rely on their immune system to heal, which sometimes didn't work. This all changed when a man named Alexander Fleming discovered penicillin—entirely on accident! Thanks to Fleming, the medical field made huge advancements that have saved hundreds of lives. Learn more about Fleming's miracle mold!

Inside every seed waits a tiny plant, ready to grow. Watch the process of a pumpkin plant from tiny seed to full-size fruit! You'll also see other plant seeds, which come in many different sizes, shapes, and colors. Some can be as big as your head, but poppy seeds are so little you can hold hundreds in one hand!

Why does a baseball travel much faster when hit with a bat than if pitched? Learn how force is applied in this fun experiment! Using a marker, a ruler, and a can, you can perform your own lever experiments. You'll understand the power of weight, such as how a balance beam operates, but on a smaller scale, while learning about the science behind balance.

See how the science of physics is utilized not only in the kitchen, but also around the house on a daily basis. Simple machines are everywhere! From brooms and rolling pins to lightbulbs and window blinds, basic everyday kitchen items transform into scientific concepts such as screws, levers, ramps, and wedges!

Everyone has a birthday! But do you know that birthdays are celebrated differently around the world? Explore the history of birthday traditions in countries such as the invention of the birthday cake in Greece, why noodles are eaten in China, and why in Russia they pull on an ear! It's a global celebration.

Yoga is a great way to stimulate your mind and keep yourself active by learning how to mimic animal behavior. Even kids can do yoga too! Enjoy posing as a sitting butterfly, stretching your arm and leg muscles with downward dog, or posing like a cat while stretching your body and mind.

No one knows for sure just how the ancient Egyptians built the Great Pyramid of Giza, which is taller than the Statue of Liberty. How could an ancient civilization have achieved this engineering feat? Perhaps the solution to this mystery can be answered with simple machines!

Do you know how new fruit is made? Learn about the different parts of a fruit plant’s flower—the stigma, pistil, and stamen—and how they use pollen to make seeds in a process called pollination! The seeds grow into new flowers, which turn into fruit after they’re pollinated!

Do your shoes fasten with Velcro straps? Have you ever wondered where this strange invention comes from? Sometimes nature provides excellent inspiration for new solutions! Plant burs stuck in his dog's fur gave Swiss engineer George de Mestral a good idea.

All of our pet dogs today have evolved from wild wolves. Humans began to tame wolves and then select their friendliest pups for keeping. Gradually, people learned how choose some dogs and breed them to do different jobs.

Click loves flowers! If he could have anything he wanted in his garden, he would choose flowers with a variety of different seeds, bulbs, leaves, and stems so he could enjoy all sorts of pretty colors and interesting plants! Did you know that orange blossoms turn into fruit, or that a pussy willow’s flowers are called a catkin? Follow along with Click and learn all sorts of cool flower stuff!

Have you ever wondered why there are different shaped footprints in the mud or snow? An animal may be nearby! Discover the many animals that are in your environment! Every animal creates different tracks. Some tracks are large, and some tracks are small. Some animals may have five toes while others may have only a few. How many animal tracks can you name?